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Diffstat (limited to 'tests/spec/arb_color_buffer_float/common.h')
-rw-r--r--tests/spec/arb_color_buffer_float/common.h173
1 files changed, 89 insertions, 84 deletions
diff --git a/tests/spec/arb_color_buffer_float/common.h b/tests/spec/arb_color_buffer_float/common.h
index e3873ac9c..a24c9a566 100644
--- a/tests/spec/arb_color_buffer_float/common.h
+++ b/tests/spec/arb_color_buffer_float/common.h
@@ -37,66 +37,64 @@ int piglit_height = 128;
int piglit_window_mode = GLUT_RGB | GLUT_ALPHA | GLUT_DOUBLE;
/* use small values for pixels[0..3], so that the 0.01 tolerance is met for fp16 */
-float pixels[] = {
+static float pixels[] = {
7, -2.75, -0.25, 0.75,
0.0, 1.0, 2.0, -1.0,
0.5, 9.0 / 8.0, -156, 390,
234, -86, -21.5, 46.5,
};
-float clamped_pixels[16];
-float pixels_mul_2[16];
-float clamped_pixels_mul_2[16];
-float pixels_plus_half[16];
-float clamped_pixels_plus_half[16];
-float clamped_pixels_plus_half_clamped[16];
+static float clamped_pixels[16];
+static float pixels_mul_2[16];
+static float clamped_pixels_mul_2[16];
+static float pixels_plus_half[16];
+static float clamped_pixels_plus_half[16];
+static float clamped_pixels_plus_half_clamped[16];
-const char* clamp_strings[] = {"TRUE", "FIXED_ONLY", "FALSE"};
-GLenum clamp_enums[] = {GL_TRUE, GL_FIXED_ONLY_ARB, GL_FALSE};
+static const char* clamp_strings[] = {"TRUE ", "FIXED", "FALSE"};
+static GLenum clamp_enums[] = {GL_TRUE, GL_FIXED_ONLY_ARB, GL_FALSE};
const char* mrt_mode_strings[] = {"single target", "homogeneous framebuffer", "dishomogeneous framebuffer"};
static float clamp(float f)
{
- if(f >= 0.0f && f <= 1.0f)
+ if (f >= 0.0f && f <= 1.0f)
return f;
- else if(f > 0.0f)
+ else if (f > 0.0f)
return 1.0f;
else
return 0.0f;
}
-unsigned ati_driver;
-unsigned nvidia_driver;
+static unsigned ati_driver;
+static unsigned nvidia_driver;
-char test_name[4096];
-float observed[16];
-unsigned vert_clamp, frag_clamp, read_clamp;
-float* expected;
-float* expected1;
-GLuint tex, tex1, fb;
-GLenum status;
-unsigned error;
+static GLuint tex, tex1, fb;
+static GLenum status;
+static unsigned error;
-int fbo_width = 2;
-int fbo_height = 2;
+static int fbo_width = 2;
+static int fbo_height = 2;
-#define TEST_NO_RT 0
-#define TEST_SRT 1
-#define TEST_MRT 2
-#define TEST_SRT_MRT 3
+enum test_mode_type {
+ TEST_NO_RT,
+ TEST_SRT,
+ TEST_MRT,
+ TEST_SRT_MRT
+};
-int test_mode = TEST_SRT;
+static enum test_mode_type test_mode;
-GLenum format;
-const char* format_name;
-GLboolean fixed;
-GLboolean fixed0, fixed1;
-unsigned mrt_mode;
+static GLboolean test_defaults, test_fog;
+static GLenum format;
+static const char* format_name;
+static GLboolean fixed;
+static GLboolean fixed0, fixed1;
+static unsigned mrt_mode;
-GLboolean test();
+static GLboolean test();
-GLboolean run_test()
+static GLboolean run_test()
{
GLboolean pass = GL_TRUE;
fixed = fixed0 = format == GL_RGBA8;
@@ -110,13 +108,13 @@ GLboolean run_test()
2, 2, 0,
GL_RGBA, GL_FLOAT, pixels);
error = glGetError();
- if(error)
+ if (error)
{
printf("GL error after glTexImage2D 0x%04X\n", error);
return GL_FALSE;
}
- if(test_mode)
+ if (test_mode)
{
glBindTexture(GL_TEXTURE_2D, 0);
@@ -130,7 +128,7 @@ GLboolean run_test()
tex,
0);
error = glGetError();
- if(error)
+ if (error)
{
printf("GL error after FBO 0x%04X\n", error);
return GL_FALSE;
@@ -143,9 +141,10 @@ GLboolean run_test()
}
}
- if(test_mode <= TEST_SRT)
+ if (test_mode <= TEST_SRT)
{
- glClampColorARB(GL_CLAMP_READ_COLOR_ARB, GL_FALSE);
+ if (!test_defaults)
+ glClampColorARB(GL_CLAMP_READ_COLOR_ARB, GL_FALSE);
pass = test();
}
else
@@ -153,14 +152,14 @@ GLboolean run_test()
unsigned mrt_modes = GLEW_ARB_draw_buffers ? (GLEW_ARB_texture_float ? 3 : 2) : 1;
unsigned first_mrt_mode = (test_mode == TEST_MRT) ? 1 : 0;
- for(mrt_mode = first_mrt_mode; mrt_mode < mrt_modes; ++mrt_mode)
+ for (mrt_mode = first_mrt_mode; mrt_mode < mrt_modes; ++mrt_mode)
{
fixed1 = fixed;
- if(mrt_mode)
+ if (mrt_mode)
{
GLenum bufs[2] = {GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1};
unsigned format1;
- if(mrt_mode == 1)
+ if (mrt_mode == 1)
format1 = format;
else
{
@@ -177,7 +176,7 @@ GLboolean run_test()
2, 2, 0,
GL_RGBA, GL_FLOAT, pixels);
error = glGetError();
- if(error)
+ if (error)
{
printf("GL error after second glTexImage2D 0x%04X\n", error);
return GL_FALSE;
@@ -191,7 +190,7 @@ GLboolean run_test()
status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- if(mrt_mode == 2)
+ if (mrt_mode == 2)
printf("Dishomogeneous framebuffer is incomplete, skipping dishomogeneous tests (status = 0x%04x)\n", status);
else
{
@@ -204,18 +203,19 @@ GLboolean run_test()
glDrawBuffers(2, bufs);
error = glGetError();
- if(error)
+ if (error)
{
printf("GL error after second glDrawBuffers 0x%04X\n", error);
return GL_FALSE;
}
}
- glClampColorARB(GL_CLAMP_READ_COLOR_ARB, GL_FALSE);
+ if (!test_defaults)
+ glClampColorARB(GL_CLAMP_READ_COLOR_ARB, GL_FALSE);
pass = test() && pass;
skip_mrt:
- if(mrt_mode)
+ if (mrt_mode)
{
glDrawBuffer(GL_COLOR_ATTACHMENT0);
@@ -232,14 +232,14 @@ GLboolean run_test()
glDeleteTextures(1, &tex);
tex = 0;
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
- if(fb)
+ if (fb)
{
glDeleteFramebuffersEXT(1, &fb);
fb = 0;
}
error = glGetError();
- if(error)
+ if (error)
{
printf("GL error after test 0x%04X\n", error);
return GL_FALSE;
@@ -251,29 +251,11 @@ GLboolean run_test()
enum piglit_result
piglit_display(void)
{
- GLboolean pass = GL_TRUE;
unsigned error;
- printf("Testing 8-bit fixed-point FBO\n");
- format = GL_RGBA8;
- format_name = "un8";
- pass = run_test() && pass;
-
- if(GLEW_ARB_texture_float)
- {
- printf("\n\n\nTesting 32-bit floating point FBO\n");
- format = GL_RGBA32F_ARB;
- format_name = "f32";
- pass = run_test() && pass;
- printf("\n\n\nTesting 16-bit floating point FBO\n");
- format = GL_RGBA16F_ARB;
- format_name = "f16";
- pass = run_test() && pass;
- }
- else
- printf("\n\n\nSkipping floating point FBO tests because of no ARB_texture_float.\n");
+ GLboolean pass = run_test();
error = glGetError();
- if(error)
+ if (error)
{
printf("GL error at end 0x%04X\n", error);
return GL_FALSE;
@@ -282,7 +264,7 @@ piglit_display(void)
return pass ? PIGLIT_SUCCESS : PIGLIT_FAILURE;
}
-unsigned init();
+static unsigned init();
void
piglit_init(int argc, char **argv)
@@ -290,32 +272,55 @@ piglit_init(int argc, char **argv)
int i;
GLboolean distinguish_xfails = GL_FALSE;
- (void)i;
/* displaying thousands of single-pixel floating point results isn't really useful, or even doable */
piglit_automatic = GL_TRUE;
- piglit_require_extension("GL_ARB_color_buffer_float");
-
test_mode = init();
- if(test_mode != TEST_NO_RT)
+ if (test_mode != TEST_NO_RT)
piglit_require_extension("GL_EXT_framebuffer_object");
- for(i = 1; i < argc; ++i)
+ for (i = 1; i < argc; ++i)
{
- if(!strcmp(argv[i], "-xfail"))
+ if (!strcmp(argv[i], "-xfail")) {
distinguish_xfails = GL_TRUE;
+ } else if (!strcmp(argv[i], "sanity")) {
+ test_defaults = GL_TRUE;
+ } else if (!strcmp(argv[i], "fog")) {
+ test_fog = GL_TRUE;
+ } else if (!strcmp(argv[i], "GL_RGBA16F")) {
+ piglit_require_extension("GL_ARB_texture_float");
+ format = GL_RGBA16F;
+ format_name = "f16";
+ printf("\n\n\nTesting 16-bit floating point FBO\n");
+ } else if (!strcmp(argv[i], "GL_RGBA32F")) {
+ piglit_require_extension("GL_ARB_texture_float");
+ format = GL_RGBA32F;
+ format_name = "f32";
+ printf("\n\n\nTesting 32-bit floating point FBO\n");
+ }
+ }
+ if (!format) {
+ format = GL_RGBA8;
+ format_name = "un8";
+ printf("Testing 8-bit fixed-point FBO\n");
+ }
+
+ if (test_defaults) {
+ printf("Testing default clamping rules only. This is a sanity check. GL_ARB_color_buffer_float is not required.\n");
+ } else {
+ piglit_require_extension("GL_ARB_color_buffer_float");
}
/* current ATI drivers are broken */
- if(!strcmp((char*)glGetString(GL_VENDOR), "ATI Technologies Inc."))
+ if (!strcmp((char*)glGetString(GL_VENDOR), "ATI Technologies Inc."))
ati_driver = 1;
/* current nVidia drivers are broken at least on GeForce 7xxx */
- if(!strcmp((char*)glGetString(GL_VENDOR), "NVIDIA Corporation"))
+ if (!strcmp((char*)glGetString(GL_VENDOR), "NVIDIA Corporation"))
nvidia_driver = 1;
- if(ati_driver || nvidia_driver)
+ if (ati_driver || nvidia_driver)
{
/* print both so users don't think either driver is better */
printf("Notice: the ATI proprietary driver does NOT conform to the GL_ARB_color_buffer_float specification! (tested version was 10.6 on cypress, on Linux x86)\n");
@@ -323,10 +328,10 @@ piglit_init(int argc, char **argv)
printf("Notice: the nVidia and ATI proprietary drivers are both nonconformant, in different ways!\n\n\n");
}
- if(!distinguish_xfails)
+ if (!distinguish_xfails)
ati_driver = nvidia_driver = 0;
- for(i = 0; i < sizeof(pixels) / sizeof(pixels[0]); ++i)
+ for (i = 0; i < sizeof(pixels) / sizeof(pixels[0]); ++i)
{
clamped_pixels[i] = clamp(pixels[i]);
pixels_mul_2[i] = pixels[i] * 2.0f;
@@ -341,9 +346,9 @@ GLboolean compare_arrays(float* expected, float* observed, int length)
{
GLboolean pass = GL_TRUE;
unsigned i;
- for(i = 0; i < length; ++i)
+ for (i = 0; i < length; ++i)
{
- if(fabs(expected[i] - observed[i]) > 0.01)
+ if (fabs(expected[i] - observed[i]) > 0.01)
{
printf("At %i Expected: %f Observed: %f\n", i, expected[i], observed[i]);
pass = GL_FALSE;
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-05 11:23:43 +0000